Home / 8,170,903.80-12,256,355.70-3,919,375.80

Finding the Fourth Proportional to 8,170,903.80, 12,256,355.70 and 3,919,375.80

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Solution

The fourth proportional to 8,170,903.80, 12,256,355.70 and 3,919,375.80 is: 5,879,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170,903.80 : 12,256,355.70 = 3,919,375.80 : x
  2. Step 2: Convert to fraction form
    8,170,903.80/12,256,355.70 = 3,919,375.80/x
  3. Step 3: Cross multiply
    8,170,903.80x = 12,256,355.70 × 3,919,375.80
  4. Step 4: Simplify right side
    8,170,903.80x = 48,037,263,926,772.05
  5. Step 5: Solve for x
    x = 48,037,263,926,772.05/8,170,903.80
  6. Step 6: Final answer
    x = 5,879,063.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.